I just wrote a stpncpy() since someone wanted it

2 files changed, 18 insertions, 1 deletions

diff --git a/libc/string/Makefile b/libc/string/Makefile
index c9b70829e..748a935eb 100644
--- a/libc/string/Makefile
+++ b/libc/string/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)Rules.mak
 MSRC=string.c
 MOBJ=strlen.o strcat.o strcpy.o strchr.o strcmp.o strncat.o strncpy.o \
 	strncmp.o strrchr.o strdup.o memcpy.o memccpy.o memset.o \
-	memmove.o memcmp.o memchr.o ffs.o strnlen.o strxfrm.o stpcpy.o
+	memmove.o memcmp.o memchr.o ffs.o strnlen.o strxfrm.o stpcpy.o stpncpy.o
 
 ifeq ($(HAS_LOCALE),true)
 	MOBJ += strcoll.o
diff --git a/libc/string/string.c b/libc/string/string.c
index d8b8e9f37..7ccc55733 100644
--- a/libc/string/string.c
+++ b/libc/string/string.c
@@ -79,6 +79,23 @@ char *stpcpy(char *dst, const char *src)
 }
 #endif
 
+/********************** Function stpncpy ************************************/
+
+#ifdef L_stpncpy
+char *stpncpy(char *dst, const char *src, size_t len)
+{
+	while (len--) {
+		if (*src)
+			*dst++ = *src++;
+		else
+			*dst++ = '\0';
+	}
+
+	return dst;
+}
+#endif
+
+
 /********************** Function strcmp ************************************/
 
 #ifdef L_strcmp